pg scrub check problem

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Hi,

I’m testing the deep-scrub function of ceph.  And the test steps are below :

1)  I put an object on ceph using command :
 rados put test.txt test.txt –p testpool

The size of testpool is 3, so there three replicates on three osds:

osd.0:   /data1/ceph_data/osd.0/current/1.0_head/test.txt__head_8B0B6108__1
osd.1:   /data2/ceph_data/osd.1/current/1.0_head/test.txt__head_8B0B6108__1
osd.2    /data3/ceph_data/osd.2/current/1.0_head/test.txt__head_8B0B6108__1

2) I modified the content of one replica on osd.0 using vim editor directly on disk

3) I run the command 
 ceph pg deep-scrub 1.0

and expect it can check the inconsistent error out, but it fails. It doesn’t find the error
why? 

Any suggestions will be appreciated! Thanks


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